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Definition of Sensitive fern
1. Noun. Beautiful spreading fern of eastern North America and eastern Asia naturalized in western Europe; pinnately divided fronds show a slight tendency to fold when touched; pinnules enclose groups of sori in beadlike lobes.
Exact synonyms: Bead Fern, Onoclea Sensibilis
Generic synonyms: Fern
Group relationships: Genus Onoclea, Onoclea
Generic synonyms: Fern
Group relationships: Genus Onoclea, Onoclea